Pith Number

pith:PGQIV5VL

pith:1999:PGQIV5VL6OUMTQFFMLGOHREGCF

not attested not anchored not stored refs pending

Ultrasoft Effects in Heavy-Quarkonium Physics

A.A. Penin, B.A. Kniehl

arxiv:hep-ph/9907489 v2 · 1999-07-26 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGQIV5VL6OUMTQFFMLGOHREGCF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:14:24.227633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a08af6abf3a8c9c0a562cce3c486115f7d855015983e7cc4e195027506f8a3

Aliases

arxiv: hep-ph/9907489 · arxiv_version: hep-ph/9907489v2 · doi: 10.48550/arxiv.hep-ph/9907489 · pith_short_12: PGQIV5VL6OUM · pith_short_16: PGQIV5VL6OUMTQFF · pith_short_8: PGQIV5VL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PGQIV5VL6OUMTQFFMLGOHREGCF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 79a08af6abf3a8c9c0a562cce3c486115f7d855015983e7cc4e195027506f8a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fef3aab4b1b975f7d548c54f6b91763e67648cce164720e35aa56b5665cf1ba9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-07-26T13:55:08Z",
    "title_canon_sha256": "871c9e69fa6b782720eadcc8742d6d7afcb88da68053a52e3aa12f0166d286fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9907489",
    "kind": "arxiv",
    "version": 2
  }
}